nanog mailing list archives
Re: private ip addresses from ISP
From: Joe Maimon <jmaimon () ttec com>
Date: Tue, 23 May 2006 11:14:53 -0400
Robert Bonomi wrote:
TTL-E messages _do_ have legitimate function in network management. TTL-E messages _can_ originate from RFC1918 space, addressed to 'public internet' addresses. Usefully, and meaningfully. Ever hear of 'traceroute'? Ever use it where packets went across a network using RFC1918 internally? Ever had a route die _between_ two RFC1918 addressed nodes on somebody elses network?
I guess this means that providers who utilize rfc1918 along their hops should make an effort to ensure these addresses are not used for icmp messages or translate these addresses when they source icmp.
Understandably, translation on providers networks is not always feasible.A feature on routers that sourced icmp packets to be told specificaly which address of the router to source it from would also help.
Current thread:
- Re: private ip addresses from ISP, (continued)
- Re: private ip addresses from ISP Edward B. DREGER (May 23)
- Re: private ip addresses from ISP Patrick W. Gilmore (May 23)
- Re: private ip addresses from ISP Richard A Steenbergen (May 23)
- Re: private ip addresses from ISP sthaug (May 23)
- Re: private ip addresses from ISP Patrick W. Gilmore (May 23)
- Re: private ip addresses from ISP Daniel Senie (May 23)
- RE: private ip addresses from ISP Frank Bulk (May 23)
- Re: private ip addresses from ISP Joe Maimon (May 23)
- RE: private ip addresses from ISP Brian Johnson (May 23)
- Re: private ip addresses from ISP Joe Maimon (May 23)
- Re: private ip addresses from ISP Joseph S D Yao (May 23)
- Re: private ip addresses from ISP Joe Maimon (May 23)
- Re: private ip addresses from ISP Joseph S D Yao (May 23)
- Re: private ip addresses from ISP Joseph S D Yao (May 23)
- Re: private ip addresses from ISP Michael . Dillon (May 24)
- Re: private ip addresses from ISP Warren Kumari (May 24)
- Re: private ip addresses from ISP Valdis . Kletnieks (May 24)